[CentOS] CentOS 5.7 Ethernet bonding - order of enslavement matters?

Thu Oct 13 18:22:57 UTC 2011
Emmanuel Noobadmin <centos.admin at gmail.com>

On 10/13/11, whitivery <co55-sy1t at dea.spamcon.org> wrote:
>>Eth0 is the onboard device, using an updated VIA Velocity driver
>>(velocityget 1.42 instead of default via-velocity):
>>05:00.0 Ethernet controller: VIA Technologies, Inc. VT6120/VT6121/VT6122
>>Gigabit Ethernet Adapter (rev 82)
>>Eth1 is a Linksys (Cisco) USB300M USB-Ethernet dongle, using asix

Have you tried adding another Ethernet adapter? This is because I was
reading the bonding doc and towards the end there was this part

>As discussed in the options section, above, some drivers do
>not support the netif_carrier_on/_off link state tracking system.
>With use_carrier enabled, bonding will always see these links as up,
>regardless of their actual state.

So it might a driver issue, i.e. the VIA driver is not reporting the
link down correctly.